Marion McPherson is a fictional character from the film *Lady Bird*, directed by Greta Gerwig. She is portrayed by actress Laurie Metcalf. Marion is the mother of the main character, Christine "Lady Bird" McPherson, and is depicted as a strong-willed and caring parent who often struggles to connect with her daughter. In the film, Marion works as a nurse and is shown to be dedicated to her family. Her character embodies the challenges of motherhood, balancing her aspirations for her daughter with the realities of their financial situation. The dynamic between Marion and Lady Bird highlights themes of love, conflict, and the complexities of family relationships.